MIL-STD-130N
e. For Data Matrix symbols applied to a curved surface, the overall symbol size shall not exceed more than 32% of the radius (16% of the diameter or 5% of the circumference) associated with the curvature of the surface.
f. If the preceding quality measuring methodologies specified are non-responsive, quality acceptance levels shall be identified within the individual contract or order.
5.2.8 Obliteration of direct marked Data Matrix symbol. When a Data Matrix symbol mark is unacceptable (unreadable, in error, etc.) and cannot be removed or otherwise repaired, replaced or re-worked without deleterious effect to the marked item, it shall be crossed out as shown in Figure 15 using two diagonal lines crossing each other through the center of the Data Matrix symbol and two other lines (one vertical the other horizontal) through the two interrupted frame lines (finder pattern) of the Data Matrix symbol. The marking method used shall be determined by the current design authority.
5.3 Free text marking information. When MRI marking is not required, or when human- readable information is required in addition to that provided along with the applicable MRI,
items shall be individually marked with free text (see 3.23). Abbreviations are provided in Table
VIII. Additional free text information may be included when specified by the acquiring activity.
a. Parts that are normally capable of independent operation in a variety of situations shall be marked as specified in 5.3.7
b. An item of military property consisting of one part, or two or more parts joined together which is not normally capable of independent operation in a variety of situations and which is not normally subject to disassembly without destruction of the designed use or which is not normally disassembled (e.g., electric clock motor), shall be marked as a part (see 5.1.2.b for an exception).
c. When parts are deemed too small for application of complete marking, a logo or other abbreviated marking shall be substituted for the design activity identifier. A complete item mark shall then be applied to the packaging (see 4.1.b).
5.3.1 Part mark when the manufacturer is the design activity. When the manufacturer is also the design activity for the part, the marking shall be arranged as follows:
a. When the manufacturer is the original design activity.
69806 - 1234567-101 -- ODA (see 3.42) Item Identification (see 3.31) I ODA - CAGE or NCAGE (see 3.8 or 3.40)
b. When the manufacturer is the current design activity but is not the original design activity.
69806 - 1234567-101 -- ODA Item Identification
CDA - 07873 -- CDA (see 3.10) - CAGE or NCAGE
5.3.2 Part mark for items acquired from manufacturers other than the design activity. The notation (MFR), followed by the manufacturer's identification (see 3.38) shall be marked below the design activity's item identification (or near it if space does not permit). The markings shall be arranged as follows:
a. When the design activity is the original design activity.
69806 - 1234567-101 -- ODA Item Identification
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